U.S. President Barack Obama (C) speaks during a news conference with chief counterterrorism adviser John Brennan (L), and former U.S. Sen. Chuck Hagel (R-NB) in the East Room at the White House on January 7, 2013 in Washington, DC. Pending approval by the Senate, the nomination of former U.S. Sen. Chuck Hagel (R-NB) as Secretary of Defense will replace Leon Panetta and chief counterterrorism adviser John Brennan will be the next director of the Central Intelligence Agency following the resignation of Army Gen. David Petraeus. (Mark Wilson/Getty Images)
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